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Finding the Fourth Proportional to 243,187.08, 364,033.21 and 207,314.88

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Solution

The fourth proportional to 243,187.08, 364,033.21 and 207,314.88 is: 310,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,187.08 : 364,033.21 = 207,314.88 : x
  2. Step 2: Convert to fraction form
    243,187.08/364,033.21 = 207,314.88/x
  3. Step 3: Cross multiply
    243,187.08x = 364,033.21 × 207,314.88
  4. Step 4: Simplify right side
    243,187.08x = 75,469,501,247.16
  5. Step 5: Solve for x
    x = 75,469,501,247.16/243,187.08
  6. Step 6: Final answer
    x = 310,335.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.